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攻撃の可能性がない場合でもランサムウェア対策Snapshotが削除されない

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Votes:
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Category:
ontap-9
Specialty:
core
Last Updated:

環境

  • ONTAP 9.10.1、9.11.1、9.12.1(Bug 1525719の修正なし)
  • ランサムウェア対策(ARW)
  • 自律型ランサムウェア対策(ARP)
  • Anti_ransomware_backup Snapshot

問題

  • ARPは複数のボリュームで有効になっています。
  • Anti_ransomware_backupという名前のSnapshotが作成されました:

::> snapshot show -volume vol1
                                                                 ---Blocks---
Vserver  Volume   Snapshot                                   Size Total% Used%
-------- -------- -------------------------------------  -------- ------ -----
svm1     vol1
                 Anti_ransomware_backup.2023-02-13_1517  989.9MB     1%    2%
                  Daily@*@23:00.2023-03-06_2300               4MB     0%    0%
                  Daily@*@23:00.2023-03-07_2300             408KB     0%    0%
                 Anti_ransomware_backup.2023-03-08_0116   1.91MB     0%    0%
                  Hourly@7-19@:0.2023-03-08_1600            352KB     0%    0%
                  Daily@*@23:00.2023-03-08_2300             400KB     0%    0%
                 Anti_ransomware_backup.2023-03-09_0116    700KB     0%    0%
7 entries were displayed.

  • Attack Probabilitynone

::> security anti-ransomware volume show -vserver svm1 -vol vol1
      Vserver Name: svm1
       Volume Name: vol1
             State: enabled
Attack Probability: none
   Attack Timeline: -
Number of Attacks: -

 

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